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The INTERNATIONAL COMFORT PRODUCTS 1191124 is a genuine OEM replacement limit switch assembly designed for use in gas furnace systems. A limit switch assembly monitors temperature inside the heat exchanger and shuts down the burner when unsafe temperature thresholds are detected, protecting the system from overheating and heat exchanger damage. This part is installed by licensed HVAC technicians as a direct OEM-style replacement and is intended to restore proper high-limit safety function in affected units.
This limit switch assembly is suited for residential gas furnace applications where the original 1191124 component has failed or has been flagged during a safety inspection. It maintains the factory safety logic of the furnace control system and ensures the unit cycles correctly under normal and fault conditions. Refer to the furnace service manual to confirm fitment before installation.
Designed as an OEM-style replacement limit switch assembly for INTERNATIONAL COMFORT PRODUCTS residential gas furnace systems. Confirm the original part number 1191124 against the unit's service label before ordering.
Installation should be performed by a licensed HVAC technician. Disconnect power to the furnace at the breaker and turn off the gas supply before removing the existing limit switch assembly. Follow the furnace manufacturer's wiring diagram when reconnecting the switch leads. Work should comply with applicable local mechanical codes and the current edition of the IFGC.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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